ART: Move JIT code cache sentinel to sentinel fault page
Use an address in the fault page to get more expressive fault
address.
Test: m test-art-host
Change-Id: Ic48ccda976eeb965774c9356242a0151ccbc2a10
diff --git a/runtime/jit/jit_code_cache.cc b/runtime/jit/jit_code_cache.cc
index 2bd1d64..ac496b4 100644
--- a/runtime/jit/jit_code_cache.cc
+++ b/runtime/jit/jit_code_cache.cc
@@ -18,6 +18,7 @@
#include <sstream>
+#include "arch/context.h"
#include "art_method-inl.h"
#include "base/enums.h"
#include "base/stl_util.h"
@@ -325,7 +326,8 @@
// Use a sentinel for marking entries in the JIT table that have been cleared.
// This helps diagnosing in case the compiled code tries to wrongly access such
// entries.
-static mirror::Class* const weak_sentinel = reinterpret_cast<mirror::Class*>(0x1);
+static mirror::Class* const weak_sentinel =
+ reinterpret_cast<mirror::Class*>(Context::kBadGprBase + 0xff);
// Helper for the GC to process a weak class in a JIT root table.
static inline void ProcessWeakClass(GcRoot<mirror::Class>* root_ptr,
